LM4041DECT-1.2

Product Overview

Category

The LM4041DECT-1.2 belongs to the category of voltage references.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low dropout voltage
• Wide operating temperature range

Package

The LM4041DECT-1.2 is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of LM4041DECT-1.2 lies in its ability to provide a stable and accurate voltage reference, ensuring precise operation of electronic circuits.

Packaging/Quantity

The LM4041DECT-1.2 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 60mV (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM4041DECT-1.2 has three pins:

1. VOUT: Output pin, provides a stable 1.2V reference voltage.
2. GND: Ground pin, connected to the system ground.
3. VIN: Input pin, receives the supply voltage.

Functional Features

• High precision: The LM4041DECT-1.2 offers excellent initial accuracy and low temperature coefficient, ensuring reliable voltage reference.
• Low dropout voltage: With a low dropout voltage, it can operate efficiently even when the input voltage is close to the output voltage.
• Wide operating temperature range: It can function reliably in extreme temperature conditions, making it suitable for various applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure precise voltage reference.
• Low dropout voltage allows efficient operation.
• Wide operating temperature range enables usage in extreme conditions.

Disadvantages

• Limited output voltage options (only 1.2V).
• Requires an external power supply.

Working Principles

The LM4041DECT-1.2 utilizes a bandgap voltage reference circuit to generate a stable 1.2V output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This ensures accurate voltage output across a wide temperature range.

Detailed Application Field Plans

The LM4041DECT-1.2 finds applications in various fields, including:

1. Precision measurement equipment: It provides a reliable voltage reference for accurate measurements.
2. Industrial control systems: It ensures stable voltage references for precise control of industrial processes.
3. Portable electronic devices: It offers a stable voltage reference for efficient operation of battery-powered devices.
4. Automotive electronics: It provides accurate voltage references for automotive control systems.

Detailed and Complete Alternative Models

1. LM4040DECT-1.2: Similar to LM4041DECT-1.2, but with a different package.
2. LT1236CDECT-1.2: Offers similar functionality with enhanced temperature stability.
3. MAX6126AASA25: Provides a 2.5V output voltage with high accuracy and low noise.

These alternative models can be considered based on specific requirements and application needs.

Word count: 410 words